Pronounced (approximate): try-GLOH-kin mah-RIT-ih-mah
Tiny greenish flowers crowd a slender upright raceme. Narrow fleshy leaves cluster at the base.
Seaside Arrowgrass (Triglochin maritima): flower details. Tap the photo to open the gallery.
Family Juncaginaceae
Life cycle Perennial
Blooms May–August
Height 12 to 30 inches
Habitat sun; wet, often brackish or saline soils; fens, marshes, bogs
Common names: Seaside Arrowgrass
Bloom timing varies with latitude, weather and local conditions.
Explore reported observations. Sightings are not a complete range map.
sun; wet, often brackish or saline soils; fens, marshes, bogs. Flowering season: May–August.
Marsh Arrowgrass has slender elongated fruits. Seaside Arrowgrass has noticeably plumper fruits; include them in identification photos.
Tiny greenish flowers crowd a slender upright raceme.
Narrow fleshy leaves cluster at the base.
Plump fruits mature along the flowering stalk. Pair close views with a photograph of the whole plant.
6 field photographs. Select a photograph to enlarge it; use Load more photos to see the rest.
Native in North America.
Reported U.S. distribution
AK, AZ, CA, CO, CT, IA, ID, IL, IN, KS, MA, ME, MI, MN, MT, ND, NE, NH, NJ, NM, NV, NY, OH, OR, PA, RI, SD, TX, UT, VT, WA, WI, WY
Includes native and introduced state records where listed; a state record does not imply occurrence in every county.
Observation maps show submitted records, not every place the plant occurs. Follow local access rules when visiting a site.
Practice recognizing Seaside Arrowgrass in the flower quiz, or compare it with other plants in the guide.
Field photographs: Where’s Wildlife.